Wolf, Ron2025-05-202025-05-20https://hdl.handle.net/11124/180678Photographed by Ron Wolf.White barite on brown black siderite.born digitaldigital photographsCopyright Ron Wolf.In copyright - non-commercial use permitted: http://rightsstatements.org/vocab/InC-NC/1.0/mineral and rock specimensMinerals -- Colorado -- Boulder CountyBarite -- Colorado -- Boulder CountySiderite -- Colorado -- Boulder CountyWard Mining District (Colo.)White Raven Mine (Colo.)Image